By William Strunk, Jr.
森田尚 訳 (Japanese translation by Hisashi MORITA, 2005. This Japanese translation is in public domain; it is provided on an as-is basis and the translator disclaims any responsibility. Use it at your own risk.)
Elementary Rules of Usage 基本的な用法の原則
Elementary Principles of Composition 基本的な文章構成の原則